On 7-8-2016 20:47, Alain wrote:
> If you scale the container with the media, then, that scaling will
> affect any media contained. Emissive media will become brighter,
> absorbing media may become totally opaque.
>
> If you want the media effect to remain unchanged, then you always need
> to adjust the density of the media by the inverse of the scaling. Scale
> up by 10, reduce the density or base colour by 10.

Ah! Thanks for the reminder. I mostly use scattering media that is why.

-- 
Thomas

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